Search a number
-
+
6554400061 = 111988929959
BaseRepresentation
bin1100001101010110…
…00011010100111101
3121220210021000120211
412012223003110331
5101410411300221
63002215312421
7321265324036
oct60653032475
917823230524
106554400061
112863873860
12132b07b711
13805bb9c41
144626c5a8d
152856496e1
hex186ac353d

6554400061 has 8 divisors (see below), whose sum is σ = 7150852800. Its totient is φ = 5958047040.

The previous prime is 6554400053. The next prime is 6554400071. The reversal of 6554400061 is 1600044556.

6554400061 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6554400061 - 23 = 6554400053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6554399996 and 6554400032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6554400071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203800 + ... + 233758.

It is an arithmetic number, because the mean of its divisors is an integer number (893856600).

Almost surely, 26554400061 is an apocalyptic number.

It is an amenable number.

6554400061 is a deficient number, since it is larger than the sum of its proper divisors (596452739).

6554400061 is a wasteful number, since it uses less digits than its factorization.

6554400061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49859.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 6554400061 is about 80959.2493851073. The cubic root of 6554400061 is about 1871.4475014590.

The spelling of 6554400061 in words is "six billion, five hundred fifty-four million, four hundred thousand, sixty-one".

Divisors: 1 11 19889 29959 218779 329549 595854551 6554400061